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Commit Graph

16563 Commits

Author SHA1 Message Date
Dmitriy Vyukov
cc99e6e949 runtime/race: update runtime to r183644
This revision properly handles memory range accesses.
Fixes #4453.
Fixes #5654.

R=golang-dev, iant, remyoudompheng
CC=golang-dev
https://golang.org/cl/10082043
2013-06-13 14:32:05 +04:00
Josh Hoak
b76ddefee5 misc/vim: Adding flag-guarding for Vim commands
Default behavior is the same as before, but now a user may selectively disable some commands.

Also: deleted the mappings for import.vim.

Tested: by trying the commands for fmt, import and godoc in succession to make sure they still work. Also, ran test.sh in ftplugin/go.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/10124043
2013-06-13 15:07:09 +10:00
Andrew Gerrand
e59a09fb1a tag go1.1.1
R=golang-dev, dave, iant
CC=golang-dev
https://golang.org/cl/10254043
2013-06-13 12:52:02 +10:00
Andrew Gerrand
55511d2b34 doc: add go1.1.1 to the release notes
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10236045
2013-06-13 12:43:26 +10:00
Rob Pike
28a1c36d62 testing: add -outputdir flag so "go test" controls where the files are written
Obscure misfeature now fixed: When run from "go test", profiles were always
written in the package's source directory. This change puts them in the directory
where "go test" is run.
Also fix a couple of problems causing errors in testing.after to go unreported
unless -v was set.

R=rsc, minux.ma, iant, alex.brainman
CC=golang-dev
https://golang.org/cl/10234044
2013-06-12 18:13:34 -07:00
Ian Lance Taylor
0627248a1f runtime: update runtime·gogo comment in asm files
R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/10244043
2013-06-12 15:05:10 -07:00
Russ Cox
d67e7e3acf runtime: add lr, ctxt, ret to Gobuf
Add gostartcall and gostartcallfn.
The old gogocall = gostartcall + gogo.
The old gogocallfn = gostartcallfn + gogo.

R=dvyukov, minux.ma
CC=golang-dev
https://golang.org/cl/10036044
2013-06-12 15:22:26 -04:00
Dmitriy Vyukov
a8ad859c30 runtime: more flexible heap memory mapping on 64-bits
Fixes #5641.

R=golang-dev, dave, daniel.morsing, iant
CC=golang-dev, kcc
https://golang.org/cl/10126044
2013-06-12 18:47:16 +04:00
Dmitriy Vyukov
dbcfed93e7 runtime: fix scheduler race condition
In starttheworld() we assume that P's with local work
are situated in the beginning of idle P list.
However, once we start the first M, it can execute all local G's
and steal G's from other P's.
That breaks the assumption above. Thus starttheworld() will fail
to start some P's with local work.
It seems that it can not lead to very bad things, but still
it's wrong and breaks other assumtions
(e.g. we can have a spinning M with local work).
The fix is to collect all P's with local work first,
and only then start them.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/10051045
2013-06-12 18:46:35 +04:00
Russ Cox
e5cbebc1ad runtime: fix plan9, windows builds
TBR=dvyukov
CC=golang-dev
https://golang.org/cl/10229043
2013-06-12 09:41:29 -04:00
Russ Cox
80efeff20a runtime: fix build
TBR=dvyukov
CC=golang-dev
https://golang.org/cl/10227044
2013-06-12 09:06:28 -04:00
Russ Cox
e58f798c0c runtime: adjust traceback / garbage collector boundary
The garbage collection routine addframeroots is duplicating
logic in the traceback routine that calls it, sometimes correctly,
sometimes incorrectly, sometimes incompletely.
Pass necessary information to addframeroots instead of
deriving it anew.

Should make addframeroots significantly more robust.
It's certainly smaller.

Also try to standardize on uintptr for saved pc, sp values.

Will make CL 10036044 trivial.

R=golang-dev, dave, dvyukov
CC=golang-dev
https://golang.org/cl/10169045
2013-06-12 08:49:38 -04:00
Russ Cox
7ea75a5f18 cmd/go: diagnose invalid coverage runs
# bufio
coverage analysis cannot handle package (bufio_test imports testing imports bufio)
# bytes
coverage analysis cannot handle package (bytes_test imports encoding/base64 imports bytes)
# crypto/cipher
coverage analysis cannot handle package (cipher_test imports crypto/aes imports crypto/cipher)
# debug/dwarf
coverage analysis cannot handle package (dwarf_test imports debug/elf imports debug/dwarf)
# errors
coverage analysis cannot handle package (errors_test imports fmt imports errors)
# flag
coverage analysis cannot handle package (flag_test imports testing imports flag)
# fmt
coverage analysis cannot handle package (fmt_test imports testing imports fmt)
# go/ast
coverage analysis cannot handle package (ast_test imports go/format imports go/ast)
# image
coverage analysis cannot handle package (image_test imports image/gif imports image)
# io
coverage analysis cannot handle package (io_test imports bytes imports io)
# math
coverage analysis cannot handle package (math_test imports fmt imports math)
# net/http
coverage analysis cannot handle package (http_test imports net/http/httptest imports net/http)
# os
coverage analysis cannot handle package (os_test imports flag imports os)
# path/filepath
coverage analysis cannot handle package (filepath_test imports io/ioutil imports path/filepath)
# reflect
coverage analysis cannot handle package (reflect_test imports flag imports reflect)
# runtime
coverage analysis cannot handle package (runtime_test imports fmt imports runtime)
# runtime/pprof
coverage analysis cannot handle package (pprof_test imports testing imports runtime/pprof)
# sort
coverage analysis cannot handle package (sort_test imports testing imports sort)
# strconv
coverage analysis cannot handle package (strconv_test imports fmt imports strconv)
# strings
coverage analysis cannot handle package (strings_test imports testing imports strings)
# sync
coverage analysis cannot handle package (sync_test imports fmt imports sync)
# sync/atomic
coverage analysis cannot handle package (atomic_test imports testing imports sync/atomic)
# syscall
coverage analysis cannot handle package (syscall_test imports flag imports syscall)
# text/tabwriter
coverage analysis cannot handle package (tabwriter_test imports testing imports text/tabwriter)
# time
coverage analysis cannot handle package (time_test imports encoding/gob imports time)
# unicode
coverage analysis cannot handle package (unicode_test imports testing imports unicode)
# unicode/utf8
coverage analysis cannot handle package (utf8_test imports bytes imports unicode/utf8)

R=r
CC=golang-dev
https://golang.org/cl/10216043
2013-06-12 08:42:05 -04:00
Shenghou Ma
da634dd703 cmd/go: clarify test filenames in help messages
Fixes #5655.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/9944044
2013-06-12 19:40:58 +08:00
David Symonds
e49bda659f C: add Josh Hoak (Google CLA).
R=golang-dev, rsc
CC=golang-dev, jhoak
https://golang.org/cl/10217043
2013-06-12 14:05:13 +10:00
Rob Pike
bc7e26621e cmd/go: use -o option of cover tool
Separates correct from erroneous output so errors running the tool will appear
in the log.

R=rsc
CC=golang-dev
https://golang.org/cl/10191043
2013-06-11 20:47:35 -07:00
Ian Lance Taylor
ae5e791ed2 cmd/gc: save local var list before inlining
This avoids problems with inlining in genwrappers, which
occurs after functions have been compiled.  Compiling a
function may cause some unused local vars to be removed from
the list.  Since a local var may be unused due to
optimization, it is possible that a removed local var winds up
beingused in the inlined version, in which case hilarity
ensues.

Fixes #5515.

R=golang-dev, khr, dave
CC=golang-dev
https://golang.org/cl/10210043
2013-06-11 20:23:21 -07:00
Russ Cox
e440354c40 cmd/gc: turn race detector off for tail-call method wrapper functions
It was off in the old implementation (because there was no high-level
description of the function at all). Maybe some day the race detector
should be fixed to handle the wrapper and then enabled for it, but there's
no reason that has to be today.

R=golang-dev
TBR=dvyukov
CC=golang-dev
https://golang.org/cl/10037045
2013-06-11 22:37:07 -04:00
Shenghou Ma
e50e4f7ec1 cmd/ld: supply -s to gcc if -s is passed.
Fixes #5463.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/9239045
2013-06-12 06:56:50 +08:00
Shenghou Ma
ccd1d07cc4 runtime: round spans_size up to page boundary
in case we have weird (not page aligned) memory limit.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/10199043
2013-06-12 05:22:49 +08:00
Russ Cox
6120ef0799 runtime: rename _rt0_$GOARCH to _rt0_go
There's no reason to use a different name on each architecture,
and doing so makes it impossible for portable code to refer to
the original Go runtime entry point. Rename it _rt0_go everywhere.

This is a global search and replace only.

R=golang-dev, bradfitz, minux.ma
CC=golang-dev
https://golang.org/cl/10196043
2013-06-11 16:49:24 -04:00
Rémy Oudompheng
880d869764 cmd/gc: compute initialization order for top-level blank vars too.
Fixes #5244.

R=golang-dev, rsc, iant, r, daniel.morsing
CC=golang-dev
https://golang.org/cl/8601044
2013-06-11 22:21:51 +02:00
Daniel Morsing
e7657de717 cmd/gc: avoid creating circular lists when compiling with race detector.
Fixes #5431.

R=dvyukov, remyoudompheng, rsc
CC=gobot, golang-dev
https://golang.org/cl/9910043
2013-06-11 21:19:29 +02:00
Rob Pike
caefc5d0ca cmd/go: add coverage analysis
This feature is not yet ready for real use. The CL marks a bite-sized
piece that is ready for review. TODOs that remain:
        provide control over output
        produce output without setting -v
        make work on reflect, sync and time packages
                (fail now due to link errors caused by inlining)
        better documentation
Almost all packages work now, though, if clumsily; try:
        go test -v -cover=count encoding/binary

R=rsc
CC=gobot, golang-dev, remyoudompheng
https://golang.org/cl/10050045
2013-06-11 09:35:10 -07:00
Keith Randall
e4b5cbde46 cmd/cc: emit size of locals. Will be used for stack copying.
R=cshapiro, dvyukov, khr, rsc
CC=golang-dev
https://golang.org/cl/10005044
2013-06-11 09:01:27 -07:00
Russ Cox
1f51d27922 cmd/gc: move genembedtramp into portable code
Requires adding new linker instruction
        RET	f(SB)
meaning return but then immediately call f.
This is what you'd use to implement a tail call after
fiddling with the arguments, but the compiler only
uses it in genwrapper.

This CL eliminates the copy-and-paste genembedtramp
functions from 5g/8g/6g and makes the code run on ARM
for the first time. It removes a small special case for function
generation, which should help Carl a bit, but at the same time
it does not bother to implement general tail call optimization,
which we do not want anyway.

Fixes #5627.

R=ken2
CC=golang-dev
https://golang.org/cl/10057044
2013-06-11 09:41:49 -04:00
Alex Brainman
9b2561ef16 os: request appropriate access rights before calling windows TerminateProcess
Fixes #5615.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/9651047
2013-06-11 13:06:38 +10:00
Gerasimos Dimitriadis
02a891b30b asn1: Improved encoding/decoding for OID types
The first identifier in an Object Identifer must be between 0 and 2
inclusive. The range of values that the second one can take depends
on the value of the first one.
The two first identifiers are not necessarily encoded in a single octet,
but in a varint.

R=golang-dev, agl
CC=golang-dev
https://golang.org/cl/10140046
2013-06-10 18:14:47 -04:00
Shenghou Ma
71051953e0 cmd/ld: document -s flag.
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10159043
2013-06-11 04:58:02 +08:00
Russ Cox
5b15b44434 cmd/cc: fix lexbody for negative chars
The new code matches the code in cc/lex.c and the #define GETC.
This was causing problems scanning runtime·foo if the leading
· byte was returned by the buffer fill.

R=ken2
CC=golang-dev
https://golang.org/cl/10167043
2013-06-10 16:13:25 -04:00
Shenghou Ma
35e1deaebf cmd/5l: use BLX for BL (Rx).
Fixes #5111.
Update #4718
This CL makes BL (Rx) to use BLX Rx instead of:
MOV LR, PC
MOV PC, Rx

R=cshapiro, rsc
CC=dave, gobot, golang-dev
https://golang.org/cl/9669045
2013-06-11 03:04:24 +08:00
Dmitriy Vyukov
fd41926347 runtime: fix one-time memory leak on linux
Update #5641.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10144043
2013-06-10 22:59:39 +04:00
Dmitriy Vyukov
62747bde6c runtime: catch races between channel close and channel send in select
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10137043
2013-06-10 22:58:04 +04:00
Shenghou Ma
06f55f5009 net: introduce netgo build tag to build a pure Go net package.
Fixes #4078.

R=golang-dev, bradfitz, rsc, iant
CC=golang-dev
https://golang.org/cl/7100050
2013-06-11 02:55:16 +08:00
Shenghou Ma
bdac989ef7 doc/go_spec: more examples for unspecified cases of the evaluation order
R=golang-dev, bradfitz, gri, iant, rsc
CC=golang-dev
https://golang.org/cl/7235044
2013-06-11 02:52:07 +08:00
Shenghou Ma
b637135003 cmd/cgo: makes clang happy by not using __gcc_struct__ attribute.
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10150043
2013-06-11 02:51:01 +08:00
Shenghou Ma
46e30c7d70 syscall: add {Set,Get}priority for Linux, and consistency tests
R=golang-dev, iant, bradfitz, dave
CC=golang-dev
https://golang.org/cl/7430044
2013-06-11 02:47:04 +08:00
Dmitriy Vyukov
fc80764792 runtime/race: tell race detector what memory Read/Write syscalls touch
Fixes #5567.

R=golang-dev, dave, iant
CC=golang-dev
https://golang.org/cl/10085043
2013-06-10 22:40:35 +04:00
Dmitriy Vyukov
0f4897ae1a sync: improve race instrumentation of WaitGroup
Do not synchronize Add(1) with Wait().
Imitate read on first Add(1) and write on Wait(),
it allows to catch common misuses of WaitGroup:
- Add() called in the additional goroutine itself
- incorrect reuse of WaitGroup with multiple waiters

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10093044
2013-06-10 22:38:58 +04:00
Shenghou Ma
ed6dce6f9d cmd/5l: use guaranteed undefined instruction for UNDEF to match [68]l.
R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/10085050
2013-06-11 02:02:42 +08:00
Alex Brainman
bb6e265fed os: return io.EOF from windows ReadAt as documented
Fixes #5619.

R=golang-dev, r, peter.armitage, go.peter.90
CC=golang-dev
https://golang.org/cl/9952044
2013-06-10 19:14:41 +10:00
Dmitriy Vyukov
4f514e8691 runtime: use persistentalloc instead of SysAlloc in FixAlloc
Also reduce FixAlloc allocation granulatiry from 128k to 16k,
small programs do not need that much memory for MCache's and MSpan's.

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/10140044
2013-06-10 09:20:27 +04:00
Dmitriy Vyukov
83445fdcc3 runtime: use persistentalloc instead of mallocgc in symtab
Reduces heap size.

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/10140043
2013-06-10 09:17:46 +04:00
Dmitriy Vyukov
99922aba8b runtime: use persistentalloc instead of SysAlloc in GC
Especially important for Windows because it reserves VM
only in multiple of 64k.

R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/10082048
2013-06-10 09:16:06 +04:00
Dmitriy Vyukov
b36f2db12a runtime: use persistentalloc instead of mallocgc for itab
Reduces heap size.

R=golang-dev, remyoudompheng, bradfitz
CC=golang-dev
https://golang.org/cl/10139043
2013-06-09 21:58:35 +04:00
Dmitriy Vyukov
5290e55164 runtime: use persistentalloc instead of SysAlloc in netpoll
Especially important for Windows because it reserves VM
only in multiple of 64k.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10138043
2013-06-09 21:39:47 +04:00
Dmitriy Vyukov
8cf7044983 runtime: use persistentalloc instead of custom malloc in memory profiler
Removes code duplication.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/9874055
2013-06-09 21:38:37 +04:00
Shenghou Ma
177191237e doc/install-source.html: recent ARM and 386 updates
R=golang-dev, dave, adg, remyoudompheng, r
CC=golang-dev
https://golang.org/cl/6845083
2013-06-09 23:15:39 +08:00
Shenghou Ma
949228a322 cmd/cgo: use gcc_struct attribute for packed structs to work around GCC PR52991.
Fixes #5603.

R=iant, dave
CC=gobot, golang-dev
https://golang.org/cl/9895043
2013-06-09 22:06:29 +08:00
Shenghou Ma
e880ab112e runtime: remove unused file mkversion.c
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/10107044
2013-06-09 22:04:17 +08:00